Home / 3,552.13-5,328.20-2,787.49

Finding the Fourth Proportional to 3,552.13, 5,328.20 and 2,787.49

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Solution

The fourth proportional to 3,552.13, 5,328.20 and 2,787.49 is: 4,181.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.13 : 5,328.20 = 2,787.49 : x
  2. Step 2: Convert to fraction form
    3,552.13/5,328.20 = 2,787.49/x
  3. Step 3: Cross multiply
    3,552.13x = 5,328.20 × 2,787.49
  4. Step 4: Simplify right side
    3,552.13x = 14,852,304.22
  5. Step 5: Solve for x
    x = 14,852,304.22/3,552.13
  6. Step 6: Final answer
    x = 4,181.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.